| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 1Q25 | 51,015 | +22.4% |
| 3Q24 | 47,992 | +10.0% |
| 2Q24 | 45,797 | +6.9% |
| 1Q24 | 41,676 | +21.1% |
| 3Q23 | 43,614 | +29.7% |
| 2Q23 | 42,836 | +7.3% |
| 1Q23 | 34,408 | -10.2% |
| 3Q22 | 33,625 | +3.4% |
| 2Q22 | 39,920 | +30.5% |
| 1Q22 | 38,336 | +25.4% |
| 3Q21 | 32,513 | +12.0% |
| 2Q21 | 30,593 | +13.7% |
| 1Q21 | 30,575 | +16.4% |
| 3Q20 | 29,028 | +11.5% |
| 2Q20 | 26,917 | +2.0% |
| 1Q20 | 26,278 | -0.8% |
| 3Q19 | 26,030 | +2.2% |
| 2Q19 | 26,402 | -4.4% |
| 1Q19 | 26,480 | -3.4% |
| 3Q18 | 25,465 | +10.5% |
| 2Q18 | 27,619 | +11.2% |
| 1Q18 | 27,412 | +20.7% |
| 3Q17 | 23,055 | +0.5% |
| 2Q17 | 24,831 | +6.4% |
| 1Q17 | 22,703 | +13.7% |
| 3Q16 | 22,946 | +0.1% |
| 2Q16 | 23,333 | -1.9% |
| 1Q16 | 19,968 | -20.2% |
| 3Q15 | 22,922 | -9.3% |
| 2Q15 | 23,774 | +44.0% |
| 1Q15 | 25,038 | +87.5% |
| 3Q14 | 25,284 | +48.9% |
| 2Q14 | 16,509 | -0.6% |
| 1Q14 | 13,355 | -15.8% |
| 3Q13 | 16,976 | +4.5% |
| 2Q13 | 16,616 | +12.1% |
| 1Q13 | 15,865 | +16.0% |
| 3Q12 | 16,240 | +7.0% |
| 2Q12 | 14,825 | +5.4% |
| 1Q12 | 13,675 | - |
| 3Q11 | 15,175 | - |
| 2Q11 | 14,059 | - |